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Manes JL, Bullock L, Meier AM, Turner RS, Richardson RM, Guenther FH. A neurocomputational view of the effects of Parkinson's disease on speech production. Front Hum Neurosci 2024; 18:1383714. [PMID: 38812472 PMCID: PMC11133703 DOI: 10.3389/fnhum.2024.1383714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/23/2024] [Indexed: 05/31/2024] Open
Abstract
The purpose of this article is to review the scientific literature concerning speech in Parkinson's disease (PD) with reference to the DIVA/GODIVA neurocomputational modeling framework. Within this theoretical view, the basal ganglia (BG) contribute to several different aspects of speech motor learning and execution. First, the BG are posited to play a role in the initiation and scaling of speech movements. Within the DIVA/GODIVA framework, initiation and scaling are carried out by initiation map nodes in the supplementary motor area acting in concert with the BG. Reduced support of the initiation map from the BG in PD would result in reduced movement intensity as well as susceptibility to early termination of movement. A second proposed role concerns the learning of common speech sequences, such as phoneme sequences comprising words; this view receives support from the animal literature as well as studies identifying speech sequence learning deficits in PD. Third, the BG may play a role in the temporary buffering and sequencing of longer speech utterances such as phrases during conversational speech. Although the literature does not support a critical role for the BG in representing sequence order (since incorrectly ordered speech is not characteristic of PD), the BG are posited to contribute to the scaling of individual movements in the sequence, including increasing movement intensity for emphatic stress on key words. Therapeutic interventions for PD have inconsistent effects on speech. In contrast to dopaminergic treatments, which typically either leave speech unchanged or lead to minor improvements, deep brain stimulation (DBS) can degrade speech in some cases and improve it in others. However, cases of degradation may be due to unintended stimulation of efferent motor projections to the speech articulators. Findings of spared speech after bilateral pallidotomy appear to indicate that any role played by the BG in adult speech must be supplementary rather than mandatory, with the sequential order of well-learned sequences apparently represented elsewhere (e.g., in cortico-cortical projections).
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Affiliation(s)
- Jordan L. Manes
- Department of Speech, Language, and Hearing Sciences, Boston University, Boston, MA, United States
- Department of Communicative Disorders and Sciences, University at Buffalo, Buffalo, NY, United States
| | - Latané Bullock
- Program in Speech and Hearing Bioscience and Technology, Division of Medical Sciences, Harvard Medical School, Boston, MA, United States
- Department of Neurosurgery, Massachusetts General Hospital, Boston, MA, United States
- Harvard Medical School, Boston, MA, United States
| | - Andrew M. Meier
- Department of Speech, Language, and Hearing Sciences, Boston University, Boston, MA, United States
| | - Robert S. Turner
- Department of Neurobiology, University of Pittsburgh, Pittsburgh, PA, United States
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, United States
| | - R. Mark Richardson
- Department of Neurosurgery, Massachusetts General Hospital, Boston, MA, United States
- Harvard Medical School, Boston, MA, United States
| | - Frank H. Guenther
- Department of Speech, Language, and Hearing Sciences, Boston University, Boston, MA, United States
- Department of Biomedical Engineering, Boston University, Boston, MA, United States
- Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, MA, United States
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Verhagen Metman L, Monje MHG, Obeso JA, Martínez-Fernández R. Focused ultrasound therapy: Back to the future. Parkinsonism Relat Disord 2024; 121:106023. [PMID: 38320923 DOI: 10.1016/j.parkreldis.2024.106023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 01/30/2024] [Indexed: 02/08/2024]
Affiliation(s)
- Leo Verhagen Metman
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
| | - Mariana H G Monje
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - José A Obeso
- HM CINAC (Centro Integral de Neurociencias Abarca Campal), Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain; CIBERNED, Instituto Carlos III, Madrid, Spain
| | - Raúl Martínez-Fernández
- HM CINAC (Centro Integral de Neurociencias Abarca Campal), Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain; CIBERNED, Instituto Carlos III, Madrid, Spain
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Aquino CHD, Moscovich M, Marinho MM, Barcelos LB, Felício AC, Halverson M, Hamani C, Ferraz HB, Munhoz RP. Fundamentals of deep brain stimulation for Parkinson's disease in clinical practice: part 1. ARQUIVOS DE NEURO-PSIQUIATRIA 2024; 82:1-9. [PMID: 38653485 PMCID: PMC11039067 DOI: 10.1055/s-0044-1786026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 02/22/2024] [Indexed: 04/25/2024]
Abstract
Deep brain stimulation (DBS) is recognized as an established therapy for Parkinson's disease (PD) and other movement disorders in the light of the developments seen over the past three decades. Long-term efficacy is established for PD with documented improvement in the cardinal motor symptoms of PD and levodopa-induced complications, such as motor fluctuations and dyskinesias. Timing of patient selection is crucial to obtain optimal benefits from DBS therapy, before PD complications become irreversible. The objective of this first part review is to examine the fundamental concepts of DBS for PD in clinical practice, discussing the historical aspects, patient selection, potential effects of DBS on motor and non-motor symptoms, and the practical management of patients after surgery.
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Affiliation(s)
- Camila Henriques de Aquino
- University of Calgary, Cumming School of Medicine, Department of Clinical Neurosciences, Calgary, AB, Canada.
- University of Calgary, Hotchkiss Brain Institute, Calgary, AB, Canada.
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Neurologia e Neurocirurgia, São Paulo SP, Brazil.
| | - Mariana Moscovich
- Christian-Albrechts University, Department of Neurology, Kiel, Germany.
| | - Murilo Martinez Marinho
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Neurologia e Neurocirurgia, São Paulo SP, Brazil.
| | - Lorena Broseghini Barcelos
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Neurologia e Neurocirurgia, São Paulo SP, Brazil.
| | | | - Matthew Halverson
- University of Utah, Department of Neurology, Salt Lake City, Utah, United States.
| | - Clement Hamani
- University of Toronto, Sunnybrook Hospital, Toronto, ON, Canada.
| | - Henrique Ballalai Ferraz
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Neurologia e Neurocirurgia, São Paulo SP, Brazil.
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Mensah-Brown KG, Naylor RM, Graepel S, Brinjikji W. Neuromodulation: What the neurointerventionalist needs to know. Interv Neuroradiol 2024:15910199231224554. [PMID: 38454831 DOI: 10.1177/15910199231224554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024] Open
Abstract
Neuromodulation is the alteration of neural activity in the central, peripheral, or autonomic nervous systems. Consequently, this term lends itself to a variety of organ systems including but not limited to the cardiac, nervous, and even gastrointestinal systems. In this review, we provide a primer on neuromodulation, examining the various technological systems employed and neurological disorders targeted with this technology. Ultimately, we undergo a historical analysis of the field's development, pivotal discoveries and inventions gearing this review to neuro-adjacent subspecialties with a specific focus on neurointerventionalists.
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Affiliation(s)
| | - Ryan M Naylor
- Department of Neurosurgery, Mayo Clinic, Rochester, MN, USA
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Reinshagen A. Grid cells: the missing link in understanding Parkinson's disease? Front Neurosci 2024; 18:1276714. [PMID: 38389787 PMCID: PMC10881698 DOI: 10.3389/fnins.2024.1276714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 01/24/2024] [Indexed: 02/24/2024] Open
Abstract
The mechanisms underlying Parkinson's disease (PD) are complex and not fully understood, and the box-and-arrow model among other current models present significant challenges. This paper explores the potential role of the allocentric brain and especially its grid cells in several PD motor symptoms, including bradykinesia, kinesia paradoxa, freezing of gait, the bottleneck phenomenon, and their dependency on cueing. It is argued that central hubs, like the locus coeruleus and the pedunculopontine nucleus, often narrowly interpreted in the context of PD, play an equally important role in governing the allocentric brain as the basal ganglia. Consequently, the motor and secondary motor (e.g., spatially related) symptoms of PD linked with dopamine depletion may be more closely tied to erroneous computation by grid cells than to the basal ganglia alone. Because grid cells and their associated central hubs introduce both spatial and temporal information to the brain influencing velocity perception they may cause bradykinesia or hyperkinesia as well. In summary, PD motor symptoms may primarily be an allocentric disturbance resulting from virtual faulty computation by grid cells revealed by dopamine depletion in PD.
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Hariz M, Cif L, Blomstedt P. Thirty Years of Global Deep Brain Stimulation: "Plus ça change, plus c'est la même chose"? Stereotact Funct Neurosurg 2023; 101:395-406. [PMID: 37844558 DOI: 10.1159/000533430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 07/31/2023] [Indexed: 10/18/2023]
Abstract
BACKGROUND The advent of deep brain stimulation (DBS) of the subthalamic nucleus (STN) for Parkinson's disease 30 years ago has ushered a global breakthrough of DBS as a universal method for therapy and research in wide areas of neurology and psychiatry. The literature of the last three decades has described numerous concepts and practices of DBS, often branded as novelties or discoveries. However, reading the contemporary publications often elicits a sense of déjà vu in relation to several methods, attributes, and practices of DBS. Here, we review various applications and techniques of the modern-era DBS and compare them with practices of the past. SUMMARY Compared with modern literature, publications of the old-era functional stereotactic neurosurgery, including old-era DBS, show that from the very beginning multidisciplinarity and teamwork were often prevalent and insisted upon, ethical concerns were recognized, brain circuitries and rational for brain targets were discussed, surgical indications were similar, closed-loop stimulation was attempted, evaluations of surgical results were debated, and controversies were common. Thus, it appears that virtually everything done today in the field of DBS bears resemblance to old-time practices, or has been done before, albeit with partly other tools and techniques. Movement disorders remain the main indications for modern DBS as was the case for lesional surgery and old-era DBS. The novelties today consist of the STN as the dominant target for DBS, the tremendous advances in computerized brain imaging, the sophistication and versatility of implantable DBS hardware, and the large potential for research. KEY MESSAGES Many aspects of contemporary DBS bear strong resemblance to practices of the past. The dominant clinical indications remain movement disorders with virtually the same brain targets as in the past, with one exception: the STN. Other novel brain targets - that are so far subject to DBS trials - are the pedunculopontine nucleus for gait freezing, the anteromedial internal pallidum for Gilles de la Tourette and the fornix for Alzheimer's disease. The major innovations and novelties compared to the past concern mainly the unmatched level of research activity, its high degree of sponsorship, and the outstanding advances in technology that have enabled multimodal brain imaging and the miniaturization, versatility, and sophistication of implantable hardware. The greatest benefit for patients today, compared to the past, is the higher level of precision and safety of DBS, and of all functional stereotactic neurosurgery.
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Affiliation(s)
- Marwan Hariz
- Department of Clinical Neuroscience, Umeå University, Umeå, Sweden
- UCL Institute of Neurology, Queen Square, London, UK
| | - Laura Cif
- Laboratoire de Recherche en Neurosciences Cliniques, Montpellier, France
| | - Patric Blomstedt
- Department of Clinical Neuroscience, Umeå University, Umeå, Sweden
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McEvoy SD, Limbrick DD, Raskin JS. Neurosurgical management of non-spastic movement disorders. Childs Nerv Syst 2023; 39:2887-2898. [PMID: 37522933 PMCID: PMC10613137 DOI: 10.1007/s00381-023-06100-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 07/21/2023] [Indexed: 08/01/2023]
Abstract
BACKGROUND Non-spastic movement disorders in children are common, although true epidemiologic data is difficult to ascertain. Children are more likely than adults to have hyperkinetic movement disorders defined as tics, dystonia, chorea/athetosis, or tremor. These conditions manifest from acquired or heredodegenerative etiologies and often severely limit function despite medical and surgical management paradigms. Neurosurgical management for these conditions is highlighted. METHODS We performed a focused review of the literature by searching PubMed on 16 May 2023 using key terms related to our review. No temporal filter was applied, but only English articles were considered. We searched for the terms (("Pallidotomy"[Mesh]) OR "Rhizotomy"[Mesh]) OR "Deep Brain Stimulation"[Mesh], dystonia, children, adolescent, pediatric, globus pallidus, in combination. All articles were reviewed for inclusion in the final reference list. RESULTS Our search terms returned 37 articles from 2004 to 2023. Articles covering deep brain stimulation were the most common (n = 34) followed by pallidotomy (n = 3); there were no articles on rhizotomy. DISCUSSION Non-spastic movement disorders are common in children and difficult to treat. Most of these patients are referred to neurosurgery for the management of dystonia, with modern neurosurgical management including pallidotomy, rhizotomy, and deep brain stimulation. Historically, pallidotomy has been effective and may still be preferred in subpopulations presenting either in status dystonicus or with high risk for hardware complications. Superiority of DBS over pallidotomy for secondary dystonia has not been determined. Rhizotomy is an underutilized surgical tool and more study characterizing efficacy and risk profile is indicated.
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Affiliation(s)
- Sean D McEvoy
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, Brookings, MO, USA
| | - David D Limbrick
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, Brookings, MO, USA
| | - Jeffrey Steven Raskin
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
- Division of Pediatric Neurosurgery, Ann & Robert H. Lurie Children's Hospital, Chicago, IL, USA.
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Zeng J, Chu H, Lu Y, Xiao X, Lu L, Li J, Lai G, Li L, Lu L, Xu N, Wang S. Research status and hotspots in the surgical treatment of tremor in Parkinson's disease from 2002 to 2022: a bibliometric and visualization analysis. Front Aging Neurosci 2023; 15:1157443. [PMID: 37829141 PMCID: PMC10565824 DOI: 10.3389/fnagi.2023.1157443] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 09/06/2023] [Indexed: 10/14/2023] Open
Abstract
Objective This study aims to investigate the research status and hotspots of surgical treatment for tremor in Parkinson's disease (PD) from 2002 to 2022, utilizing bibliometric and visual analysis. Additionally, it aims to offer insights into future research trends in this field. Methods This study collected publications on the surgical treatment of tremor in PD from 2002 to 2022 using the Web of Science (WOS) database. CiteSpace, VOSviewer, and Scimago Graphica were employed to quantify the number of publications and analyze the bibliographic information networks, including the contributions of countries/cities, authors, keywords, and co-cited references. Results A total of 2,815 publications were included in the study, revealing that 541 scientific institutions experienced an increase in publications from 2002 to 2022. Michael Okun emerged as the most productive author, and the United States emerged as the leading hub for research. The study identified 772 keywords. Noteworthy citation bursts and long-term activity were observed in pallidotomy, bilateral stimulation, and focused ultrasound thalamotomy. The top 10 highly co-cited references comprised eight deep brain stimulation (DBS) studies (including two follow-up studies and six randomized controlled trials), one randomized controlled trial on focused ultrasound, and one consensus on tremor. Conclusion This study uses an in-depth and systematic bibliometric and visualization analysis to visualize the evolution of research and identify emerging hotspots. The identified hotspots are as follows: Firstly, DBS has received significant attention and widespread recognition as a surgical treatment for tremor in PD. Secondly, there are various key aspects to consider in DBS, such as operative indications, operative targets, and surgical protocols. Lastly, magnetic resonance-guided focused ultrasound (MRgFUS) has emerged as a promising treatment option in the surgical management of tremor in Parkinson's disease. This research also provides insights into the phenomenon of these hotspots, offering valuable prompts and reminders for further research.
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Affiliation(s)
- Jingchun Zeng
- Rehabilitation Center, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hui Chu
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yiqian Lu
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xi Xiao
- Rehabilitation Center, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Liming Lu
- Clinical Research and Data Center, South China Research Center for Acupuncture and Moxibustion, Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jingjing Li
- Bao’an Traditional Chinese Medicine Hospital, Seventh Clinical Medical College of Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
| | - Guoan Lai
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lisha Li
- Xingtan Hospital, The Affiliated Shunde Hospital of Southern Medical University, Foshan, China
| | - Lihong Lu
- Rehabilitation Center, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Nenggui Xu
- Clinical Research and Data Center, South China Research Center for Acupuncture and Moxibustion, Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shuxin Wang
- Rehabilitation Center, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
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Hariz M, Blomstedt Y, Blomstedt P, Hariz G. Anthropology of Deep Brain Stimulation; the 30th Anniversary of STN DBS in 2023. Mov Disord Clin Pract 2023; 10:1285-1292. [PMID: 37772285 PMCID: PMC10525058 DOI: 10.1002/mdc3.13858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/13/2023] [Accepted: 07/15/2023] [Indexed: 09/30/2023] Open
Abstract
Background The year 2023 marks the 30th anniversary of deep brain stimulation (DBS) of the subthalamic nucleus (STN) for Parkinson's disease (PD). This procedure prompted a universal interest in DBS for various brain disorders and resulted in a unique expansion of clinical and scientific collaboration between many disciplines, with impact on many aspects of society. Objective To study the anthropology of DBS, that is, its ethno-geographic origins, its evolution, its impact on clinicians and scientists, and its influence on society at large. Material and Methods The authors scrutinized the geo-ethnic origins of the pioneers of modern DBS, and they evaluated, based on the literature and on a long-term praxis, the development of DBS and its impact on clinicians, on healthcare, and on society. Results Scientists and clinicians from various geo-ethnic origins pioneered modern DBS, leading to worldwide spread of this procedure and to the establishment of large multidisciplinary teams in many centers. Neurologists became actively involved in surgery and took on new laborious tasks of programming ever more complicated DBS systems. Publications sky-rocketed and the global spread of DBS impacted positively on several aspects of society, including healthcare, awareness of neurological diseases, interdisciplinary relations, conferences, patient organizations, unemployment, industry, etc. Conclusions STN DBS has boosted the field of deep brain electrotherapy for many neurological and psychiatric illnesses, and DBS has generated a global benefit on many aspects of society, well beyond its clinical benefits on symptoms of diseases. With the ever-increasing indications for DBS, more positive global impact is expected.
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Affiliation(s)
- Marwan Hariz
- Department of Clinical NeuroscienceUmeå UniversityUmeåSweden
- UCL Institute of Neurology, Queen SquareLondonUnited Kingdom
| | | | | | - Gun‐Marie Hariz
- Department of Clinical NeuroscienceUmeå UniversityUmeåSweden
- Department of Community Medicine and RehabilitationUmeå UniversityUmeåSweden
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Monje MH, Mañez‐Miró JU, Obeso JA. The Apparent Impunity of the Basal Ganglia to Therapeutic Lesioning: Clinical and Scientific Lessons. Mov Disord Clin Pract 2023; 10:S42-S46. [PMID: 37637986 PMCID: PMC10448138 DOI: 10.1002/mdc3.13787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 08/29/2023] Open
Affiliation(s)
- Mariana H.G. Monje
- HM CINAC (Centro Integral de Neurociencias Abarca Campal)Hospital Universitario HM Puerta del Sur, HM HospitalesMadridSpain
- Ken and Ruth Davee Department of NeurologyNorthwestern University, Feinberg School of MedicineChicagoIllinoisUSA
| | - Jorge U. Mañez‐Miró
- HM CINAC (Centro Integral de Neurociencias Abarca Campal)Hospital Universitario HM Puerta del Sur, HM HospitalesMadridSpain
- PhD Program in NeuroscienceAutónoma de Madrid University‐Cajal InstituteMadridSpain
- Neurology Department, IMED HospitalesValenciaSpain
| | - José A. Obeso
- HM CINAC (Centro Integral de Neurociencias Abarca Campal)Hospital Universitario HM Puerta del Sur, HM HospitalesMadridSpain
- Universidad San Pablo‐CEUMadridSpain
- CIBERNED, Instituto de Salud Carlos IIIMadridSpain
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Wang D, Ashkan K. "Grass Is Always Greener on the Other Side" or Is It?! Comparison of Trend of Awake Craniotomy in Neuro-Oncology and Asleep Deep Brain Stimulation. Stereotact Funct Neurosurg 2023; 101:217-220. [PMID: 37231910 PMCID: PMC11251657 DOI: 10.1159/000530527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 03/24/2023] [Indexed: 05/27/2023]
Affiliation(s)
- Difei Wang
- Department of Neurosurgery, King's College Hospital, London, UK
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12
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UMEMURA ATSUSHI. Deep Brain Stimulation for Parkinson's Disease. JUNTENDO IJI ZASSHI = JUNTENDO MEDICAL JOURNAL 2023; 69:21-29. [PMID: 38854848 PMCID: PMC11153071 DOI: 10.14789/jmj.jmj22-0041-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 12/20/2022] [Indexed: 06/11/2024]
Abstract
There is a long history of surgical treatment for Parkinson's disease (PD). Currently, deep brain stimulation (DBS) has been performed as promising treatment option for medically refractory PD. DBS is an adjustable and reversible treatment using implanted medical devices to deliver electrical stimulation to precisely targeted areas of the brain. DBS modulates neurological function of the target region. The most common target for PD is the subthalamic nucleus (STN). DBS is particularly indicated for patients suffering from motor complications of dopaminergic medication such as fluctuations and dyskinesia. Although there is currently no curative treatment for PD, a combination of medical treatment and DBS provide long-term relief of motor symptoms. In this review, I introduce history, mechanism, indication, clinical outcome, complication, long term outcome, timing of surgery, surgical procedure, and current new technology concerning DBS for PD.
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Affiliation(s)
- ATSUSHI UMEMURA
- Corresponding author: Atsushi Umemura, Department of Research and Therapeutics for Movement Disorders, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan, TEL: +81-3-3813-3111 FAX: +81-3-5689-8343 E-mail: , 357th Triannual Meeting of the Juntendo Medical Society “Current Surgical Diagnosis and Treatment” 〔Held on Sep. 15, 2022〕
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13
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Srienc AI, Church SC, Korn SJ, Lonser RR, Zipfel GJ. Early outcomes of the American Academy of Neurological Surgery Emerging Investigator Program in promoting neurosurgeon-scientists. J Neurosurg 2023; 138:287-292. [PMID: 35901692 DOI: 10.3171/2022.5.jns212846] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Anja I Srienc
- 1Department of Neurological Surgery, Washington University, St. Louis, Missouri
| | - Sophie C Church
- 1Department of Neurological Surgery, Washington University, St. Louis, Missouri
| | - Stephen J Korn
- 2National Institute of Neurological Disorders and Stroke, National Institutes of Health, Rockville, Maryland; and
| | - Russell R Lonser
- 3Department of Neurological Surgery, The Ohio State University, Columbus, Ohio
| | - Gregory J Zipfel
- 1Department of Neurological Surgery, Washington University, St. Louis, Missouri
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14
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Jiwanti PK, Wardhana BY, Sutanto LG, Dewi DMM, Putri IZD, Savitri INI. Recent Development of Nano-Carbon Material in Pharmaceutical Application: A Review. Molecules 2022; 27:7578. [PMID: 36364403 PMCID: PMC9654677 DOI: 10.3390/molecules27217578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/21/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Carbon nanomaterials have attracted researchers in pharmaceutical applications due to their outstanding properties and flexible dimensional structures. Carbon nanomaterials (CNMs) have electrical properties, high thermal surface area, and high cellular internalization, making them suitable for drug and gene delivery, antioxidants, bioimaging, biosensing, and tissue engineering applications. There are various types of carbon nanomaterials including graphene, carbon nanotubes, fullerenes, nanodiamond, quantum dots and many more that have interesting applications in the future. The functionalization of the carbon nanomaterial surface could modify its chemical and physical properties, as well as improve drug loading capacity, biocompatibility, suppress immune response and have the ability to direct drug delivery to the targeted site. Carbon nanomaterials could also be fabricated into composites with proteins and drugs to reduce toxicity and increase effectiveness in the pharmaceutical field. Thus, carbon nanomaterials are very effective for applications in pharmaceutical or biomedical systems. This review will demonstrate the extraordinary properties of nanocarbon materials that can be used in pharmaceutical applications.
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Affiliation(s)
- Prastika K. Jiwanti
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Kampus C Universitas Airlangga, Surabaya 60115, Indonesia
| | - Brasstira Y. Wardhana
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Kampus C Universitas Airlangga, Surabaya 60115, Indonesia
| | - Laurencia G. Sutanto
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Kampus C Universitas Airlangga, Surabaya 60115, Indonesia
| | - Diva Meisya Maulina Dewi
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Kampus C Universitas Airlangga, Surabaya 60115, Indonesia
| | | | - Ilmi Nur Indira Savitri
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Surabaya 60115, Indonesia
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Abstract
Parkinson's disease (PD) is a progressive neurodegenerative illness with both motor and nonmotor symptoms. Deep brain stimulation (DBS) is an established safe neurosurgical symptomatic therapy for eligible patients with advanced disease in whom medical treatment fails to provide adequate symptom control and good quality of life, or in whom dopaminergic medications induce severe side effects such as dyskinesias. DBS can be tailored to the patient's symptoms and targeted to various nodes along the basal ganglia-thalamus circuitry, which mediates the various symptoms of the illness; DBS in the thalamus is most efficient for tremors, and DBS in the pallidum most efficient for rigidity and dyskinesias, whereas DBS in the subthalamic nucleus (STN) can treat both tremors, akinesia, rigidity and dyskinesias, and allows for decrease in doses of medications even in patients with advanced stages of the disease, which makes it the preferred target for DBS. However, DBS in the STN assumes that the patient is not too old, with no cognitive decline or relevant depression, and does not exhibit severe and medically resistant axial symptoms such as balance and gait disturbances, and falls. Dysarthria is the most common side effect of DBS, regardless of the brain target. DBS has a long-lasting effect on appendicular symptoms, but with progression of disease, nondopaminergic axial features become less responsive to DBS. DBS for PD is highly specialised; to enable adequate selection and follow-up of patients, DBS requires dedicated multidisciplinary teams of movement disorder neurologists, functional neurosurgeons, specialised DBS nurses and neuropsychologists.
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Affiliation(s)
- Marwan Hariz
- Department of Clinical Neuroscience, University Hospital of Umeå, Umeå, Sweden.,UCL-Queen Square Institute of Neurology, London, UK
| | - Patric Blomstedt
- Department of Clinical Neuroscience, University Hospital of Umeå, Umeå, Sweden
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Yamamoto K, Sarica C, Loh A, Vetkas A, Samuel N, Milano V, Zemmar A, Germann J, Cheyuo C, Boutet A, Elias GJ, Ito H, Taira T, Lozano AM. Magnetic resonance-guided focused ultrasound for the treatment of tremor. Expert Rev Neurother 2022; 22:849-861. [PMID: 36469578 DOI: 10.1080/14737175.2022.2147826] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Magnetic resonance-guided focused ultrasound (MRgFUS) is an emerging treatment for tremor and other movement disorders. An incisionless therapy, it is becoming increasingly common worldwide. However, given MRgFUS' relative novelty, there remain limited data on its benefits and adverse effects. AREAS COVERED We review the current state of evidence of MRgFUS for tremor, highlight its challenges, and discuss future perspectives. EXPERT OPINION Essential tremor (ET) has been the major indication for MRgFUS since a milestone randomized controlled trial (RCT) in 2016, with substantial evidence attesting to the efficacy and acceptable safety profile of this treatment. Patients with other tremor etiologies are also being treated with MRgFUS, with studies - including an RCT - suggesting parkinsonian tremor in particular responds well to this intervention. Additionally, targets other than the ventral intermediate nucleus, such as the subthalamic nucleus and internal segment of the globus pallidus, have been reported to improve parkinsonian symptoms beyond tremor, including rigidity and bradykinesia. Although MRgFUS is encumbered by certain unique technical challenges, it nevertheless offers significant advantages compared to alternative neurosurgical interventions for tremor. The fast-growing interest in this treatment modality will likely lead to further scientific and technological advancements that could optimize and expand its therapeutic potential.
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Affiliation(s)
- Kazuaki Yamamoto
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada
| | - Can Sarica
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada
| | - Aaron Loh
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada
| | - Artur Vetkas
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada.,Department of Neurosurgery, School of Medicine, University of Tartu, Estonia
| | - Nardin Samuel
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada
| | - Vanessa Milano
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada
| | - Ajmal Zemmar
- Department of Neurosurgery, University of Louisville, School of Medicine, KY, USA.,Department of Neurosurgery, Henan University People's Hospital, Henan University School of Medicine, China
| | - Jürgen Germann
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada
| | - Cletus Cheyuo
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada
| | - Alexandre Boutet
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada.,Joint Department of Medical Imaging, University of Toronto, Ontario, Canada
| | - Gavin Jb Elias
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada
| | - Hisashi Ito
- Department of Neurology, Shonantobu General Hospital, Japan.,Department of Neurology, Shonan Fujisawa Tokushukai Hospital, Japan
| | - Takaomi Taira
- Department of Neurosurgery, Tokyo Women's Medical University, Japan
| | - Andres M Lozano
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada.,Krembil Research Institute, Toronto, Ontario, Canada
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17
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Cunha de Azevedo AR, Contreras López WO, Navarro PA, Gouveia FV, Germann J, Elias GJB, Ruiz Martinez RC, Lopes Alho EJ, Fonoff ET. Unilateral Campotomy of Forel for Acquired Hemidystonia: An Open-Label Clinical Trial. Neurosurgery 2022; 91:139-145. [PMID: 35550448 DOI: 10.1227/neu.0000000000001963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 01/24/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Hemidystonia (HD) is characterized by unilateral involuntary torsion movements and fixed postures of the limbs and face. It often develops after deleterious neuroplastic changes secondary to injuries to the brain. This condition usually responds poorly to medical treatment, and deep brain stimulation often yields unsatisfactory results. We propose this study based on encouraging results from case reports of patients with HD treated by ablative procedures in the subthalamic region. OBJECTIVE To compare the efficacy of stereotactic-guided radiofrequency lesioning of the subthalamic area vs available medical treatment in patients suffering from acquired HD. METHODS This is an open-label study in patients with secondary HD allocated according to their treatment choice, either surgical or medical treatment; both groups were followed for one year. Patients assigned in the surgical group underwent unilateral campotomy of Forel. The efficacy was assessed using the Unified Dystonia Rating Scale, Fahn-Marsden Dystonia Scale, Arm Dystonia Disability Scale, and SF-36 questionnaire scores. RESULTS Patients in the surgical group experienced significant improvement in the Unified Dystonia Rating Scale, Fahn-Marsden Dystonia Scale, and Arm Dystonia Disability Scale (39%, 35%, and 15%, respectively) 1 year after the surgery, with positive reflex in quality-of-life measures, such as bodily pain and role-emotional process. Patients kept on medical treatment did not experience significant changes during the follow-up. No infections were recorded, and no neurological adverse events were associated with either intervention. CONCLUSION The unilateral stereotaxy-guided ablation of Forel H1 and H2 fields significantly improved in patients with HD compared with optimized clinical treatment.
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Affiliation(s)
| | - William Omar Contreras López
- Department of Functional Neurosurgery, NEMOD Research Group, Universidad Autónoma de Bucaramanga, Division of Functional Neurosurgery, FOSCAL Hospital, Bucaramanga, Colombia
| | | | - Flavia Venetucci Gouveia
- Neurosciences and Mental Health, The Hospital for Sick Children Research Institute, Toronto, Canada
| | | | | | - Raquel Chacon Ruiz Martinez
- LIM/23, Institute of Psychiatry, University of Sao Paulo School of Medicine, Sao Paulo, Brazil
- Division of Neuroscience, Hospital Sirio-Libanes, Sao Paulo, Brazil
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18
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Mikuła E, Katrlík J, Rodrigues LR. Electrochemical Aptasensors for Parkinson's Disease Biomarkers Detection. Curr Med Chem 2022; 29:5795-5814. [PMID: 35619313 DOI: 10.2174/0929867329666220520123337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 02/07/2022] [Accepted: 03/10/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Biomarkers are characteristic molecules that can be measured as indicators of biological process status or condition, exhibiting special relevance in Parkinson's Disease (PD). This disease is a chronic neurodegenerative disorder very difficult to study given the site of pathology and due to a clinical phenotype that fluctuates over time. Currently there is no definitive diagnostic test, thus clinicians hope that the detection of crucial biomarkers will help to the symptomatic and presymptomatic diagnostics and providing surrogate endpoints to demonstrate the clinical efficacy of new treatments. METHODS Electrochemical aptasensors are excellent analytical tools that are used in the detection of PD biomarkers, as they are portable, easy to use, and perform real-time analysis. RESULTS In this review, we discuss the most important clinical biomarkers for PD, highlighting their physiological role and function in the disease. Herein, we review for the first time innovative aptasensors for the detection of current potential PD biomarkers based on electrochemical techniques and discuss future alternatives, including ideal analytical platforms for point-of-care diagnostics. CONCLUSION These new tools will be critical not only in the discovery of sensitive, specific, and reliable biomarkers of preclinical PD, but also in the development of tests that can assist in the early detection and differential diagnosis of parkinsonian disorders and in monitoring disease progression. Various methods for fixing aptamers onto the sensor surfaces, enabling quantitative and specific PD biomarker detection present in synthetic and clinical samples, will also be discussed.
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Affiliation(s)
- Edyta Mikuła
- Department of Biosensors, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland
| | - Jaroslav Katrlík
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 84538 Bratislava, Slovakia
| | - Ligia R Rodrigues
- Centre of Biological Engineering, Universidade do Minho, Campus de Gualtar, 4710-057, Braga, Portugal
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19
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Hariz M, Blomstedt P. Leksell's Posteroventral Pallidotomy 1992-2022: Quo Vadis? Stereotact Funct Neurosurg 2022; 100:259-263. [PMID: 35413711 DOI: 10.1159/000524248] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/14/2022] [Indexed: 11/19/2022]
Affiliation(s)
- Marwan Hariz
- Department of Clinical Neuroscience, Umeå University, Umeå, Sweden.,UCL Institute of Neurology, Queen Square, London, United Kingdom
| | - Patric Blomstedt
- Department of Clinical Neuroscience, Umeå University, Umeå, Sweden
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20
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Comparative efficacy of surgical approaches to disease modification in Parkinson disease. NPJ Parkinsons Dis 2022; 8:33. [PMID: 35338165 PMCID: PMC8956588 DOI: 10.1038/s41531-022-00296-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 02/17/2022] [Indexed: 12/12/2022] Open
Abstract
Parkinson’s disease (PD) may optimally be treated with a disease-modifying therapy to slow progression. We compare data underlying surgical approaches proposed to impart disease modification in PD: (1) cell transplantation therapy with stem cell-derived dopaminergic neurons to replace damaged cells; (2) clinical trials of growth factors to promote survival of existing dopaminergic neurons; (3) subthalamic nucleus deep brain stimulation early in the course of PD; and (4) abdominal vagotomy to lower risk of potential disease spread from gut to brain. Though targeted to engage potential mechanisms of PD these surgical approaches remain experimental, indicating the difficulty in translating therapeutic concepts into clinical practice. The choice of outcome measures to assess disease modification separate from the symptomatic benefit will be critical to evaluate the effect of the disease-modifying intervention on long-term disease burden, including imaging studies and clinical rating scales, i.e., Unified Parkinson Disease Rating Scale. Therapeutic interventions will require long follow-up times (i.e., 5–10 years) to analyze disease modification compared to symptomatic treatments. The promise of invasive, surgical treatments to achieve disease modification through mechanistic approaches has been constrained by the reality of translating these concepts into effective clinical trials.
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21
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Ning S, Jorfi M, Patel SR, Kim DY, Tanzi RE. Neurotechnological Approaches to the Diagnosis and Treatment of Alzheimer’s Disease. Front Neurosci 2022; 16:854992. [PMID: 35401082 PMCID: PMC8989850 DOI: 10.3389/fnins.2022.854992] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/25/2022] [Indexed: 12/12/2022] Open
Abstract
Alzheimer’s disease (AD) is the most common cause of dementia in the elderly, clinically defined by progressive cognitive decline and pathologically, by brain atrophy, neuroinflammation, and accumulation of extracellular amyloid plaques and intracellular neurofibrillary tangles. Neurotechnological approaches, including optogenetics and deep brain stimulation, have exploded as new tools for not only the study of the brain but also for application in the treatment of neurological diseases. Here, we review the current state of AD therapeutics and recent advancements in both invasive and non-invasive neurotechnologies that can be used to ameliorate AD pathology, including neurostimulation via optogenetics, photobiomodulation, electrical stimulation, ultrasound stimulation, and magnetic neurostimulation, as well as nanotechnologies employing nanovectors, magnetic nanoparticles, and quantum dots. We also discuss the current challenges in developing these neurotechnological tools and the prospects for implementing them in the treatment of AD and other neurodegenerative diseases.
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Affiliation(s)
- Shen Ning
- Genetics and Aging Research Unit, McCance Center for Brain Health, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
- Graduate Program for Neuroscience, Boston University School of Medicine, Boston, MA, United States
| | - Mehdi Jorfi
- Genetics and Aging Research Unit, McCance Center for Brain Health, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
- *Correspondence: Mehdi Jorfi,
| | - Shaun R. Patel
- Genetics and Aging Research Unit, McCance Center for Brain Health, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Doo Yeon Kim
- Genetics and Aging Research Unit, McCance Center for Brain Health, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Rudolph E. Tanzi
- Genetics and Aging Research Unit, McCance Center for Brain Health, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
- Rudolph E. Tanzi,
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22
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Cole RC, Okine DN, Yeager BE, Narayanan NS. Neuromodulation of cognition in Parkinson's disease. PROGRESS IN BRAIN RESEARCH 2022; 269:435-455. [PMID: 35248205 DOI: 10.1016/bs.pbr.2022.01.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Neuromodulation is a widely used treatment for motor symptoms of Parkinson's disease (PD). It can be a highly effective treatment as a result of knowledge of circuit dysfunction associated with motor symptoms in PD. However, the mechanisms underlying cognitive symptoms of PD are less well-known, and the effects of neuromodulation on these symptoms are less consistent. Nonetheless, neuromodulation provides a unique opportunity to modulate motor and cognitive circuits while minimizing off-target side effects. We review the modalities of neuromodulation used in PD and the potential implications for cognitive symptoms. There have been some encouraging findings with both invasive and noninvasive modalities of neuromodulation, and there are promising advances being made in the field of therapeutic neuromodulation. Substantial work is needed to determine which modulation targets are most effective for the different types of cognitive deficits of PD.
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Affiliation(s)
- Rachel C Cole
- Department of Neurology, University of Iowa, Iowa City, IA, United States
| | - Derrick N Okine
- Department of Neurology, University of Iowa, Iowa City, IA, United States
| | - Brooke E Yeager
- Department of Neurology, University of Iowa, Iowa City, IA, United States
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23
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Movement disorders and their stereotactic surgical treatment: A retrospective study of 5126 patients at a single clinical center over 22 years. INTERDISCIPLINARY NEUROSURGERY 2022. [DOI: 10.1016/j.inat.2021.101422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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24
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Krauss JK, Wolff Fernandes F. Svennilson's Publication on Pallidotomy for Parkinsonism in 1960: A Most Influential Paper in the Field. Mov Disord Clin Pract 2022; 9:173-177. [PMID: 35141353 PMCID: PMC8810425 DOI: 10.1002/mdc3.13370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 10/20/2021] [Accepted: 10/30/2021] [Indexed: 12/27/2022] Open
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25
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Hariz M. Pallidotomy: A "Phoenix the Bird" of Surgery for Parkinson's Disease? Mov Disord Clin Pract 2022; 9:170-172. [PMID: 35146056 PMCID: PMC8810424 DOI: 10.1002/mdc3.13410] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 12/13/2021] [Indexed: 01/28/2023] Open
Affiliation(s)
- Marwan Hariz
- Department of Clinical NeuroscienceUmeå UniversityUmeåSweden
- UCL Institute of NeurologyLondonUnited Kingdom
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26
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Ganz JC. Movement disorders. PROGRESS IN BRAIN RESEARCH 2022; 268:379-384. [PMID: 35074091 DOI: 10.1016/bs.pbr.2021.10.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Over 30 years it has been demonstrated that Gamma Knife thalamotomy is a valuable method of treating the tremor of Parkinson's Disease and Essential Tremor. It is also effective against the tremor associated with Multiple Sclerosis. To date Gamma Knife pallidotomy has not received the acceptance of the profession.
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Affiliation(s)
- Jeremy C Ganz
- Department of Neurosurgery, Haukeland University Hospital, Bergen, Norway.
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27
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Wong JK, Hilliard JD, Holanda VM, Gunduz A, Wagle Shukla A, Foote KD, Okun MS. Time for a New 3-D Image for Globus Pallidus Internus Deep Brain Stimulation Targeting and Programming. JOURNAL OF PARKINSON'S DISEASE 2021; 11:1881-1885. [PMID: 34420982 PMCID: PMC8609712 DOI: 10.3233/jpd-212820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Deep brain stimulation (DBS) is an effective neuromodulatory therapy for Parkinson’s disease (PD). Early studies using globus pallidus internus (GPi) DBS for PD profiled the nucleus as having two functional zones. This concept disseminated throughout the neuromodulation community as the “GPi triangle”. Although our understanding of the pallidum has greatly evolved over the past 20 years, we continue to reference the triangle in our clinical decision-making process. We propose a new direction, termed the spatial boundary hypothesis, to build upon the 2-dimensional outlook on GPi DBS. We believe an updated 3-D GPi model can produce more consistent, positive patient outcomes.
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Affiliation(s)
- Joshua K. Wong
- Fixel Institute for Neurological Diseases, Department of Neurology, University of Florida, Gainesville, FL, USA
| | - Justin D. Hilliard
- Fixel Institute for Neurological Diseases, Department of Neurosurgery, University of Florida, Gainesville, FL, USA
| | - Vanessa M. Holanda
- Center of Neurology and Neurosurgery Associates (CENNA), BP - A Beneficência Portuguesa de São Paulo, São Paulo, SP, Brazil
- Department of Neurosurgery, Mayo Clinic, Jacksonville, FL, USA
| | - Aysegul Gunduz
- Fixel Institute for Neurological Diseases, Department of Neurology, University of Florida, Gainesville, FL, USA
- Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Aparna Wagle Shukla
- Fixel Institute for Neurological Diseases, Department of Neurology, University of Florida, Gainesville, FL, USA
| | - Kelly D. Foote
- Fixel Institute for Neurological Diseases, Department of Neurosurgery, University of Florida, Gainesville, FL, USA
| | - Michael S. Okun
- Fixel Institute for Neurological Diseases, Department of Neurology, University of Florida, Gainesville, FL, USA
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28
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Vintimilla-Sarmiento JD, Carrillo-Ruiz JD, Navarro-Olvera JL, Aguado-Carrillo G, Soto-Abraham JE, Velasco-Campos FJ. Specific movement and disability improvements in Burke-Fahn-Marsden Dystonia Rating Scale derived from pallidotomy in refractory patients to medical treatment. Clin Neurol Neurosurg 2021; 210:106955. [PMID: 34607198 DOI: 10.1016/j.clineuro.2021.106955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Dystonia is a movement disorder associated with significant disability and is usually refractory to medical treatment. Pallidotomy may decrease dystonic movements. The aim of this study was to quantify movement and disability improvements through Burke-Fahn-Marsden Dystonia Rating Scale (BFMDRS). METHODS We carried out a longitudinal clinical study in patients with refractory primary and secondary dystonia, who underwent radiofrequency (RF) unilateral and bilateral lesions on the postero-ventro-lateral globus pallidus internus (GPi), evaluating the outcomes through BFMDRS and variables as age, time of evolution, etiology, body distribution, planned target coordinates, and lesion size, during a mean follow-up time of 35.67 months. RESULTS Nine RF pallidotomies were performed on 6 patients, 7 right-sided and 2 left-sided; three patients were treated unilaterally for one occasion, while the others underwent 2 surgeries, including one staged bilateral procedure. Mean BFMDRS scores for movement were 38.5 preoperative and 25.5 postoperative, and for disability were 20.4 preoperative and 17.3 postoperative. We noticed improvement in movement (32.54%, p = 0.001) and disability (17.23%, p = 0.002). There was one right GPi and internal capsule (IC) infarction with contralateral hemiparesis as sequelae. CONCLUSIONS RF pallidotomy is an effective and accessible procedure to reduce BFMDRS scores in refractory dystonia if patients are correctly selected by severity, evolution, and disability as determining factors.
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Affiliation(s)
| | | | | | - Gustavo Aguado-Carrillo
- Unit for Stereotactic and Functional Neurosurgery, Mexico General Hospital, Mexico City, Mexico
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29
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Magnusson JL, Leventhal DK. Revisiting the "Paradox of Stereotaxic Surgery": Insights Into Basal Ganglia-Thalamic Interactions. Front Syst Neurosci 2021; 15:725876. [PMID: 34512279 PMCID: PMC8429495 DOI: 10.3389/fnsys.2021.725876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/06/2021] [Indexed: 11/13/2022] Open
Abstract
Basal ganglia dysfunction is implicated in movement disorders including Parkinson Disease, dystonia, and choreiform disorders. Contradicting standard "rate models" of basal ganglia-thalamic interactions, internal pallidotomy improves both hypo- and hyper-kinetic movement disorders. This "paradox of stereotaxic surgery" was recognized shortly after rate models were developed, and is underscored by the outcomes of deep brain stimulation (DBS) for movement disorders. Despite strong evidence that DBS activates local axons, the clinical effects of lesions and DBS are nearly identical. These observations argue against standard models in which GABAergic basal ganglia output gates thalamic activity, and raise the question of how lesions and stimulation can have similar effects. These paradoxes may be resolved by considering thalamocortical loops as primary drivers of motor output. Rather than suppressing or releasing cortex via motor thalamus, the basal ganglia may modulate the timing of thalamic perturbations to cortical activity. Motor cortex exhibits rotational dynamics during movement, allowing the same thalamocortical perturbation to affect motor output differently depending on its timing with respect to the rotational cycle. We review classic and recent studies of basal ganglia, thalamic, and cortical physiology to propose a revised model of basal ganglia-thalamocortical function with implications for basic physiology and neuromodulation.
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Affiliation(s)
| | - Daniel K Leventhal
- Department of Neurology, University of Michigan, Ann Arbor, MI, United States.,Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States.,Parkinson Disease Foundation Research Center of Excellence, University of Michigan, Ann Arbor, MI, United States.,Department of Neurology, VA Ann Arbor Health System, Ann Arbor, MI, United States
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30
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Horisawa S, Fukui A, Yamahata H, Tanaka Y, Kuwano A, Momosaki O, Iijima M, Nanke M, Kawamata T, Taira T. Unilateral pallidothalamic tractotomy for akinetic-rigid Parkinson's disease: a prospective open-label study. J Neurosurg 2021; 135:799-805. [PMID: 33450738 DOI: 10.3171/2020.7.jns201547] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 07/21/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Neurosurgical ablation is an effective treatment for medically refractory motor symptoms of Parkinson's disease (PD). A limited number of studies have reported the effect of ablation of the pallidothalamic tract for PD. In this study, the authors evaluated the safety and efficacy of unilateral pallidothalamic tractotomy for akinetic-rigid (AR)-PD. METHODS Fourteen AR-PD patients, who were enrolled in this prospective open-label study, underwent unilateral pallidothalamic tractotomy. The Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part III and Part IV (dyskinesia and dystonia) scores and levodopa equivalent daily dose (LEDD) were evaluated at baseline and at 3 and 12 months postoperatively. RESULTS Of the 14 patients enrolled in the study, 4 were lost to follow-up and 10 were analyzed. The total MDS-UPDRS Part III score significantly improved from 45 ± 4.6 at baseline to 32.9 ± 4.8 at 12 months postoperatively (p = 0.005). Contralateral side rigidity and bradykinesia significantly improved from 4.4 ± 0.5 and 10.4 ± 1.5 at baseline to 1.7 ± 0.4 (p = 0.005) and 5.2 ± 1.4 (p = 0.011) at 12 months, respectively. While posture significantly improved with a 20% reduction in scores (p = 0.038), no significant improvement was found in gait (p = 0.066). Dyskinesia and dystonia were improved with a 79.2% (p = 0.0012) and 91.7% (p = 0.041) reduction in scores, respectively. No significant change was found in the LEDD. Hypophonia was noted in 2 patients, eyelid apraxia was noted in 1 patient, and a reduced response to levodopa, which resulted in an increase in the daily dose of levodopa, was noted in 3 patients. No serious permanent neurological deficits were observed. CONCLUSIONS Unilateral pallidothalamic tractotomy improved contralateral side rigidity and bradykinesia, dyskinesia, and dystonia in patients with AR-PD. Clinical trial registration no.: UMIN000031138 (umin.ac.jp).
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Affiliation(s)
| | | | | | | | | | | | | | - Magi Nanke
- 3School of Medicine, Tokyo Women's Medical University, Tokyo, Japan
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Raghu ALB, Eraifej J, Sarangmat N, Stein J, FitzGerald JJ, Payne S, Aziz TZ, Green AL. Pallido-putaminal connectivity predicts outcomes of deep brain stimulation for cervical dystonia. Brain 2021; 144:3589-3596. [PMID: 34293093 PMCID: PMC8719844 DOI: 10.1093/brain/awab280] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/14/2021] [Accepted: 07/01/2021] [Indexed: 11/13/2022] Open
Abstract
Cervical dystonia is a non-degenerative movement disorder characterized by dysfunction of both motor and sensory cortico-basal ganglia networks. Deep brain stimulation targeted to the internal pallidum is an established treatment, but its specific mechanisms remain elusive, and response to therapy is highly variable. Modulation of key dysfunctional networks via axonal connections is likely important. Fifteen patients underwent preoperative diffusion-MRI acquisitions and then progressed to bilateral deep brain stimulation targeting the posterior internal pallidum. Severity of disease was assessed preoperatively and later at follow-up. Scans were used to generate tractography-derived connectivity estimates between the bilateral regions of stimulation and relevant structures. Connectivity to the putamen correlated with clinical improvement, and a series of cortical connectivity-based putaminal parcellations identified the primary motor putamen as the key node (r = 0.70, P = 0.004). A regression model with this connectivity and electrode coordinates explained 68% of the variance in outcomes (r = 0.83, P = 0.001), with both as significant explanatory variables. We conclude that modulation of the primary motor putamen–posterior internal pallidum limb of the cortico-basal ganglia loop is characteristic of successful deep brain stimulation treatment of cervical dystonia. Preoperative diffusion imaging contains additional information that predicts outcomes, implying utility for patient selection and/or individualized targeting.
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Affiliation(s)
- Ashley L B Raghu
- Oxford Functional Neurosurgery, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - John Eraifej
- Oxford Functional Neurosurgery, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK.,Department of Neurosurgery, John Radcliffe, Hospital, Oxford University NHS Foundation Trust, Oxford, UK
| | - Nagaraja Sarangmat
- Department of Neurology, John Radcliffe, Hospital, Oxford University NHS Foundation Trust, Oxford, UK
| | - John Stein
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
| | - James J FitzGerald
- Oxford Functional Neurosurgery, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK.,Department of Neurosurgery, John Radcliffe, Hospital, Oxford University NHS Foundation Trust, Oxford, UK
| | - Stephen Payne
- Institute of Biomedical Engineering, Department of Engineering, University of Oxford, Oxford, UK
| | - Tipu Z Aziz
- Oxford Functional Neurosurgery, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK.,Department of Neurosurgery, John Radcliffe, Hospital, Oxford University NHS Foundation Trust, Oxford, UK
| | - Alexander L Green
- Oxford Functional Neurosurgery, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK.,Department of Neurosurgery, John Radcliffe, Hospital, Oxford University NHS Foundation Trust, Oxford, UK
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Personalized Medicine in Parkinson's Disease: New Options for Advanced Treatments. J Pers Med 2021; 11:jpm11070650. [PMID: 34357117 PMCID: PMC8303729 DOI: 10.3390/jpm11070650] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 06/29/2021] [Accepted: 07/07/2021] [Indexed: 12/11/2022] Open
Abstract
Parkinson’s disease (PD) presents varying motor and non-motor features in each patient owing to their different backgrounds, such as age, gender, genetics, and environmental factors. Furthermore, in the advanced stages, troublesome symptoms vary between patients due to motor and non-motor complications. The treatment of PD has made great progress over recent decades and has directly contributed to an improvement in patients’ quality of life, especially through the progression of advanced treatment. Deep brain stimulation, radiofrequency, MR–guided focused ultrasound, gamma knife, levodopa-carbidopa intestinal gel, and apomorphine are now used in the clinical setting for this disease. With multiple treatment options currently available for all stages of PD, we here discuss the most recent options for advanced treatment, including cell therapy in advanced PD, from the perspective of personalized medicine.
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Permezel F. Brain MRI-guided focused ultrasound conceptualised as a tool for brain network intervention. J Clin Neurosci 2021; 90:370-379. [PMID: 34275578 DOI: 10.1016/j.jocn.2021.05.062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 05/02/2021] [Accepted: 05/27/2021] [Indexed: 11/25/2022]
Abstract
Magnetic resonance imaging guided high intensity focused ultrasound (HIFU) has emerged as a tool offering incisionless intervention on brain tissue. The low risk and rapid recovery from this procedure, in addition to the ability to assess for clinical benefit and adverse events intraprocedurally, makes it an ideal tool for intervention upon brain networks both for clinical and research applications. This review article proposes that conceptualising brain focused ultrasound as a tool for brain network intervention and adoption of methodology to complement this approach may result in better clinical outcomes, fewer adverse events and may unveil or allow treatment opportunities not otherwise possible. A brief introduction to network neuroscience is discussed before a description of pathological brain networks is provided for a number of conditions for which MRI-guided brain HIFU intervention has been implemented. Essential Tremor is discussed as the most advanced example of MRI-guided brain HIFU intervention adoption along with the issues that present with this treatment modality compared to alternatives. The brain network intervention paradigm is proposed to overcome these issues and a number of examples of implementation of this are discussed. The ability of low intensity MRI guided focussed ultrasound to neuromoduate brain tissue without lesioning is introduced. This tool is discussed with regards to its potential clinical application as well as its potential to further our understanding of network neuroscience via its ability to interrogate brain networks without damaging tissue. Finally, a number of current clinical trials utilising brain focused ultrasound are discussed, along with the additional applications available from the utilisation of low intensity focused ultrasound.
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Affiliation(s)
- Fiona Permezel
- Austin Hospital, Heidelberg, Victoria, Australia; The University of Melbourne, Parkville, Victoria, Australia; The Florey Institute of Neuroscience and Mental Health, Austin Hospital, Victoria, Australia.
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Garg K, Samala R, Agrawal M, Rajan R, Singh M. Pallidotomy for Dystonia. Neurol India 2021; 68:S322-S324. [PMID: 33318369 DOI: 10.4103/0028-3886.302460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background Deep brain stimulation (DBS) is currently the preferred surgical treatment for various movement disorders. Pallidotomy is an effective procedure for patients with dystonia and Parkinson's disease and was the surgical treatment of choice before the advent of DBS. However, it can be the preferred modality in immunocompromised patients and those patients who cannot afford DBS due to financial constraints. Hypophonia, dysarthria and dysphagia are the most significant complications of bilateral pallidotomy. Objective The aim of this study was to present the surgical technique and nuances involved in bilateral simultaneous pallidotomy in a patient with generalized dystonia. Procedure A 30-year male with primary generalized dystonia presented to us with preoperative Burke-Fahn-Marsden (BFM) Dystonia Rating Scale of 24. After acquiring preoperative volumetric 3T MRI and stereotactic CT, bilateral pallidotomy was done under general anesthesia. There were no procedure related complications. Results At two months of follow-up, his BFM dystonia score improved from 24 to 4.5. Conclusion Appropriately acquired volumetric MRI, meticulous planning and meticulously performed surgical procedure can help in achieving good outcome and minimize the complications.
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Affiliation(s)
| | - Raghu Samala
- Department of Neurosurgery, AIIMS, New Delhi, India
| | | | - Roopa Rajan
- Department of Neurology, AIIMS, New Delhi, India
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Horisawa S, Fukui A, Nonaka T, Kawamata T, Taira T. Radiofrequency Ablation for Movement Disorders: Risk Factors for Intracerebral Hemorrhage, a Retrospective Analysis. Oper Neurosurg (Hagerstown) 2021; 21:143-149. [PMID: 34098579 DOI: 10.1093/ons/opab169] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 03/14/2021] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND One of the greatest concerns associated with radiofrequency ablation is intracerebral hemorrhage (ICH). However, the majority of previous studies have mainly evaluated Parkinson disease patients with ablation of the globus pallidus internus (GPi). OBJECTIVE To investigate the hemorrhagic risk associated with radiofrequency ablation using ventro-oral (Vo) nucleus, ventral intermediate (Vim) nucleus, GPi, and pallidothalamic tract. METHODS Radiofrequency ablations for movement disorders from 2012 to 2019 at our institution were retrospectively analyzed. Multivariate analyses were performed to evaluate associations between potential risk factors and ICH. RESULTS A total of 558 patients underwent 721 stereotactic radiofrequency ablations for movement disorders. Among 558 patients, 356 had dystonia, 111 had essential tremor, and 51 had Parkinson disease. Among 721 procedures, the stereotactic targets used in this study were as follows: Vo: 230; Vim: 199; GPi: 172; pallidothalamic tract: 102; Vim/Vo: 18. ICH occurred in 37 patients (5.1%, 33 with dystonia and 4 with essential tremor). Symptomatic ICH developed in 3 Vo nuclei (1.3%), 3 Vim nuclei (1.5%), and 2 GPi (1.2%). Hypertension (odds ratio = 2.69, P = .0013), higher number of lesions (odds ratio = 1.23, P = .0221), and younger age (odds ratio = 1.04, P = .0055) were significant risk factors for ICH associated with radiofrequency ablation. CONCLUSION The present study revealed that younger age, higher number of lesions, and history of hypertension were independent risk factors for ICH associated with stereotactic radiofrequency ablation.
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Affiliation(s)
- Shiro Horisawa
- Department of Neurosurgery, Neurological Institute, TokyoWomen's Medical University, Tokyo, Japan
| | - Atsushi Fukui
- Department of Neurosurgery, Neurological Institute, TokyoWomen's Medical University, Tokyo, Japan
| | - Taku Nonaka
- Department of Neurosurgery, Neurological Institute, TokyoWomen's Medical University, Tokyo, Japan
| | - Takakazu Kawamata
- Department of Neurosurgery, Neurological Institute, TokyoWomen's Medical University, Tokyo, Japan
| | - Takaomi Taira
- Department of Neurosurgery, Neurological Institute, TokyoWomen's Medical University, Tokyo, Japan
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Agrawal M, Garg K, Samala R, Rajan R, Singh M. A Scientometric Analysis of the 100 Most Cited Articles on Pallidotomy. Stereotact Funct Neurosurg 2021; 99:463-473. [PMID: 34077938 DOI: 10.1159/000516237] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 03/30/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND Pallidotomy is the oldest stereotactically performed neurosurgical procedure for movement disorders. Consequently, there is a wealth of literature available on the topic. OBJECTIVES The aim of this analysis was to identify the top-cited articles on pallidotomy in order to discern the origins, spread, the current trends, and the future directions of this surgical procedure. METHODS We performed a search of the Web of Science database on 19 October 2020 using the keyword "pallidotomy." The top-100 cited articles found were arranged in descending order on the basis of citation count (CC) and citation per year (CY). Relevant conclusions were derived. RESULTS The 100 top-cited articles were published between 1961 and 2017, in 24 journals. The average CC and CY were 118.1 (range - 856-46) and 5.326 (range - 29.52-2.09), respectively. The 3 most prolific authors were Lang AE (Neurologist - Toronto), Lozano AM (Neurosurgeon - Toronto), and Vitek JL (Neurologist - Atlanta). The Journal of Neurosurgery published the highest number of top-cited articles [Neurology. 1960;10:61-9]. The maximum articles were from the USA. University of Toronto and Emory University were the most productive institutions. CONCLUSIONS Pallidotomy has gone through several ebbs and flows. Unilateral pallidotomy is currently recommended for the treatment of motor symptoms of Parkinson's disease and dystonia. The need for further research and improved technology to make the technique safer and prove its efficacy is highlighted, especially keeping in mind a large number of populations to which the prohibitively expensive deep brain stimulation is unavailable.
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Affiliation(s)
- Mohit Agrawal
- Department of Neurosurgery, All India Institute of Medical Sciences, Jodhpur, India
| | - Kanwaljeet Garg
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
| | - Raghu Samala
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
| | - Roopa Rajan
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Manmohan Singh
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
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Au KLK, Wong JK, Tsuboi T, Eisinger RS, Moore K, Lemos Melo Lobo Jofili Lopes J, Holland MT, Holanda VM, Peng-Chen Z, Patterson A, Foote KD, Ramirez-Zamora A, Okun MS, Almeida L. Globus Pallidus Internus (GPi) Deep Brain Stimulation for Parkinson's Disease: Expert Review and Commentary. Neurol Ther 2021; 10:7-30. [PMID: 33140286 PMCID: PMC8140010 DOI: 10.1007/s40120-020-00220-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 10/08/2020] [Indexed: 01/20/2023] Open
Abstract
INTRODUCTION The globus pallidus internus (GPi) region has evolved as a potential target for deep brain stimulation (DBS) in Parkinson's disease (PD). DBS of the GPi (GPi DBS) is an established, safe and effective method for addressing many of the motor symptoms associated with advanced PD. It is important that clinicians fully understand this target when considering GPi DBS for individual patients. METHODS The literature on GPi DBS in PD has been comprehensively reviewed, including the anatomy, physiology and potential pitfalls that may be encountered during surgical targeting and post-operative management. Here, we review and address the implications of lead location on GPi DBS outcomes. Additionally, we provide a summary of randomized controlled clinical trials conducted on DBS in PD, together with expert commentary on potential applications of the GPi as target. Finally, we highlight future technologies that will likely impact GPi DBS, including closed-loop adaptive approaches (e.g. sensing-stimulating capabilities), advanced methods for image-based targeting and advances in DBS programming, including directional leads and pulse shaping. RESULTS There are important disease characteristics and factors to consider prior to selecting the GPi as the DBS target of PD surgery. Prior to and during implantation of the leads it is critical to consider the neuroanatomy, which can be defined through the combination of image-based targeting and intraoperative microelectrode recording strategies. There is an increasing body of literature on GPi DBS in patients with PD suggesting both short- and long-term benefits. Understanding the GPi target can be useful in choosing between the subthalamic (STN), GPi and ventralis intermedius nucleus as lead locations to address the motor symptoms and complications of PD. CONCLUSION GPi DBS can be effectively used in select cases of PD. As the ongoing DBS target debate continues (GPi vs. STN as DBS target), clinicians should keep in mind that GPi DBS has been shown to be an effective treatment strategy for a variety of symptoms, including bradykinesia, rigidity and tremor control. GPi DBS also has an important, direct anti-dyskinetic effect. GPi DBS is easier to program in the outpatient setting and will allow for more flexibility in medication adjustments (e.g. levodopa). Emerging technologies, including GPi closed-loop systems, advanced tractography-based targeting and enhanced programming strategies, will likely be future areas of GPi DBS expansion. We conclude that although the GPi as DBS target may not be appropriate for all PD patients, it has specific clinical advantages.
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Affiliation(s)
- Ka Loong Kelvin Au
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA.
| | - Joshua K Wong
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Takashi Tsuboi
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Robert S Eisinger
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Kathryn Moore
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | | | - Marshall T Holland
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
- Department of Neurosurgery, University of Iowa, Iowa City, IA, USA
| | - Vanessa M Holanda
- Center of Neurology and Neurosurgery Associates (CENNA), Hospital Beneficência Portuguesa de São Paulo, São Paulo, Brazil
- Department of Neurosurgery, Mayo Clinic Jackonsville, Jacksonville, FL, USA
| | - Zhongxing Peng-Chen
- Facultad de Medicina Clínica Alemana, Hospital Padre Hurtado-Universidad del Desarrollo, Santiago, Chile
| | - Addie Patterson
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Kelly D Foote
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Adolfo Ramirez-Zamora
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Michael S Okun
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Leonardo Almeida
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA.
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Yamamoto K, Ito H, Fukutake S, Odo T, Kamei T, Yamaguchi T, Taira T. Movement during focused ultrasound therapy caused by an unstable magnetic resonance table: case report. J Neurosurg 2021; 134:1724-1727. [PMID: 32619978 DOI: 10.3171/2020.4.jns20219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 04/17/2020] [Indexed: 11/06/2022]
Abstract
Transcranial MR-guided focused ultrasound (MRgFUS) therapy is a less invasive form of stereotactic treatment for tremors and other movement disorders. Its stereotactic accuracy is ensured by stability of the stereotactic frame and MR table. The authors report a case wherein the patient's movement was detected, and the MR images were repeated to continue the treatment. A 72-year-old man with essential tremor underwent unilateral ventralis intermedius thalamotomy using MRgFUS. The stereotactic frame was correctly fixed to the patient's skull and the table. During the seventh sonication, the patient pressed the emergency button and vomited several times. Before the eighth sonication, the patient's movement was detected and was verified on coronal images. The MR images were repeated, and the treatment was successfully completed with significant improvement in the tremors. After treatment, it was discovered that the MR table was laterally unstable due to the absence of ball bearings, which should be present on both sides of the guide rail of the MR table. The ball bearings were attached to the reverse side of the table, and the table was stabilized. Stereotactic accuracy of MRgFUS is not only ensured by rigid fixation of the stereotactic frame, but also by stability of the MR table.
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Affiliation(s)
- Kazuaki Yamamoto
- 1Department of Neurosurgery, Tokyo Women's Medical University, Tokyo
- 2Department of Neurosurgery, Shonan Kamakura General Hospital, Kamakura
| | - Hisashi Ito
- 3Department of Neurology, Shonan Fujisawa Tokushukai Hospital, Fujisawa; and
| | - Shigeru Fukutake
- 3Department of Neurology, Shonan Fujisawa Tokushukai Hospital, Fujisawa; and
| | - Takashi Odo
- 3Department of Neurology, Shonan Fujisawa Tokushukai Hospital, Fujisawa; and
| | - Tetsumasa Kamei
- 3Department of Neurology, Shonan Fujisawa Tokushukai Hospital, Fujisawa; and
| | - Toshio Yamaguchi
- 4Research Institute of Diagnostic Imaging, Shin-Yurigaoka General Hospital, Kawasaki, Japan
| | - Takaomi Taira
- 1Department of Neurosurgery, Tokyo Women's Medical University, Tokyo
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Máñez-Miró JU, Rodríguez-Rojas R, Del Álamo M, Martínez-Fernández R, Obeso JA. Present and future of subthalamotomy in the management of Parkinson´s disease: a systematic review. Expert Rev Neurother 2021; 21:533-545. [PMID: 33788645 DOI: 10.1080/14737175.2021.1911649] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Introduction: The subthalamic nucleus (STN) is known to be involved in the pathophysiology of Parkinson´s disease and by reducing its abnormal activity, normal output of basal ganglia can be restored along with improvement in PD cardinal motor features. Deep brain stimulation of the STN is currently the main surgical procedure for PD with motor complications, but lesioning can be an alternative.Areas covered: Here, the authors systematically review the current evidence regarding subthalamotomy both with radiofrequency and, more recently, with focused ultrasound (FUS) for the treatment of PD.Expert opinion: Unilateral subthalamotomy for the treatment of PD motor features can be considered a viable option in asymmetric patients, particularly with FUS which allows a minimally invasive safe and effective ablation of the STN. Risk of inducing dyskinesia (i.e., hemichorea/ballism) may be strikingly reduced when lesions enlarge dorsally to impinge on pallidothalamic fibers.
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Affiliation(s)
- Jorge U Máñez-Miró
- HM CINAC (Centro Integral De Neurociencias Abarca Campal), Hospital Universitario HM Puerta Del Sur, Madrid, Spain.,Network Center for Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto De Salud Carlos III, Madrid, Spain
| | - Rafael Rodríguez-Rojas
- HM CINAC (Centro Integral De Neurociencias Abarca Campal), Hospital Universitario HM Puerta Del Sur, Madrid, Spain.,Network Center for Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto De Salud Carlos III, Madrid, Spain
| | - Marta Del Álamo
- HM CINAC (Centro Integral De Neurociencias Abarca Campal), Hospital Universitario HM Puerta Del Sur, Madrid, Spain.,Network Center for Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto De Salud Carlos III, Madrid, Spain
| | - R Martínez-Fernández
- HM CINAC (Centro Integral De Neurociencias Abarca Campal), Hospital Universitario HM Puerta Del Sur, Madrid, Spain.,Network Center for Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto De Salud Carlos III, Madrid, Spain
| | - José A Obeso
- HM CINAC (Centro Integral De Neurociencias Abarca Campal), Hospital Universitario HM Puerta Del Sur, Madrid, Spain.,Network Center for Biomedical Research on Neurodegenerative Diseases (CIBERNED), Instituto De Salud Carlos III, Madrid, Spain.,CEU-San Pablo University, Móstoles, Madrid, Spain
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40
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López-Aguirre M, Caballero-Insaurriaga J, Urso D, Rodríguez-Rojas R, Máñez-Miró JU, Del-Alamo M, Rachmilevitch I, Martínez-Fernández R, Pineda-Pardo JA. Lesion 3D modeling in transcranial MR-guided focused ultrasound thalamotomy. Magn Reson Imaging 2021; 80:71-80. [PMID: 33905832 DOI: 10.1016/j.mri.2021.04.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 04/08/2021] [Accepted: 04/21/2021] [Indexed: 01/21/2023]
Abstract
Transcranial magnetic resonance-guided focused ultrasound (tMRgFUS) allows to perform incisionless thermoablation of deep brain structures. This feature makes it a very useful tool for the treatment of multiple neurological and psychiatric disorders. Currently, feedback of the thermoablation process is based on peak temperature readings assessed on real-time two-dimensional MRI thermometry. However, an accurate methodology relating thermal dosimetry with three-dimensional topography and temporal evolution of the lesion is still to be defined, thus hurdling the establishment of well-defined, evidence-based criteria to perform safe and effective treatments. In here we propose threshold-based thermoablation models to predict the volumetric topography of the lesion (whole lesion and necrotic core) in the short-to-mid-term based on thermal dosimetry estimated from intra-treatment MRI thermometry. To define and validate our models we retrospectively analyzed the data of sixty-three tMRgFUS thalamotomies for treating tremor. We used intra-treatment MRI thermometry to estimate whole-treatment three-dimensional thermal dose maps, defined either as peak temperature reached (Tmax) or thermal isoeffective dose (TID). Those maps were thresholded to find the dosimetric level that maximize the agreement (Sorensen-Dice coefficient - SDc) with the boundaries of the whole lesion and its core, assessed on T2w images 1-day (post-24h) and 3-months (post-3M) after treatment. Best predictions were achieved for the whole lesion at post-24h (SDc = 0.71), with Tmax /TID over 50.0 °C/90.5 CEM43. The core at post-24h and whole lesion at post-3M lesions reported a similar behavior in terms of shape accuracy (SDc ~0.35), and thermal dose thresholds ~55 °C/4100.0 CEM43. Finally, the optimal levels for post-3M core lesions were 55.5 °C/5800.0 CEM43 (SDc = 0.21). These thermoablation models could contribute to the real-time decision-making process and improve the outcome of tMRgFUS interventions both in terms of safety and efficacy.
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Affiliation(s)
- Miguel López-Aguirre
- HM CINAC, Centro Integral de Neurociencias AC, Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain; Universidad Complutense de Madrid, Madrid, Spain
| | - Jaime Caballero-Insaurriaga
- HM CINAC, Centro Integral de Neurociencias AC, Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain; Universidad Politécnica de Madrid, Madrid, Spain
| | - Daniele Urso
- King's College (KCL), Institute of Psychiatry, Psychology & Neuroscience, London, United Kingdom
| | - Rafael Rodríguez-Rojas
- HM CINAC, Centro Integral de Neurociencias AC, Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain; Universidad San Pablo CEU, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas Instituto Carlos III, Madrid, Spain
| | - Jorge U Máñez-Miró
- HM CINAC, Centro Integral de Neurociencias AC, Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain
| | - Marta Del-Alamo
- HM CINAC, Centro Integral de Neurociencias AC, Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain
| | | | - Raúl Martínez-Fernández
- HM CINAC, Centro Integral de Neurociencias AC, Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain; Universidad San Pablo CEU, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas Instituto Carlos III, Madrid, Spain
| | - José A Pineda-Pardo
- HM CINAC, Centro Integral de Neurociencias AC, Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain; Universidad San Pablo CEU, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas Instituto Carlos III, Madrid, Spain.
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41
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Martínez-Fernández R, Matarazzo M, Máñez-Miró JU, Obeso JA. The Role of Focused Ultrasound in the Management of Movement Disorders: Insights after 5 Years of Experience. Mov Disord Clin Pract 2021; 8:681-687. [PMID: 34307739 DOI: 10.1002/mdc3.13223] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/26/2021] [Accepted: 04/07/2021] [Indexed: 11/07/2022] Open
Affiliation(s)
- Raúl Martínez-Fernández
- HM CINAC (Centro Integral de Neurociencias Abarca Campal) Hospital Universitario HM Puerta del Sur, HM Hospitales Madrid Spain.,Network Center for Biomedical Research on Neurodegenerative Diseases Carlos III Institute Madrid Spain
| | - Michele Matarazzo
- HM CINAC (Centro Integral de Neurociencias Abarca Campal) Hospital Universitario HM Puerta del Sur, HM Hospitales Madrid Spain.,Network Center for Biomedical Research on Neurodegenerative Diseases Carlos III Institute Madrid Spain
| | - Jorge U Máñez-Miró
- HM CINAC (Centro Integral de Neurociencias Abarca Campal) Hospital Universitario HM Puerta del Sur, HM Hospitales Madrid Spain.,Network Center for Biomedical Research on Neurodegenerative Diseases Carlos III Institute Madrid Spain
| | - Jose A Obeso
- HM CINAC (Centro Integral de Neurociencias Abarca Campal) Hospital Universitario HM Puerta del Sur, HM Hospitales Madrid Spain.,Network Center for Biomedical Research on Neurodegenerative Diseases Carlos III Institute Madrid Spain
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Hariz M. Pallidotomy for Dystonia: A Neglected Procedure? Mov Disord 2021; 36:533-534. [PMID: 33749921 PMCID: PMC8251723 DOI: 10.1002/mds.28409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 11/04/2020] [Indexed: 12/02/2022] Open
Affiliation(s)
- Marwan Hariz
- Department of Clinical Neuroscience, Umeå University, Umeå, Sweden
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Horisawa S, Fukui A, Takeda N, Kawamata T, Taira T. Safety and efficacy of unilateral and bilateral pallidotomy for primary dystonia. Ann Clin Transl Neurol 2021; 8:857-865. [PMID: 33720521 PMCID: PMC8045906 DOI: 10.1002/acn3.51333] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 02/12/2021] [Indexed: 11/20/2022] Open
Abstract
Objective Ablation of the globus pallidus internus (pallidotomy) is an effective surgical intervention for dystonia. However, the current literature on the efficacy and safety of pallidotomy for dystonia is derived only from single‐case reports and small cohort studies. Methods We retrospectively analyzed patients with primary dystonia who underwent pallidotomy at our institution between 2014 and 2019. Neurological conditions were evaluated using the Burke‐Fahn‐Marsden Dystonia Rating Scale (BFMDRS, range: 0–120). We evaluated the total BFMDRS score and each subitem score (nine body regions) in the patients who underwent unilateral and bilateral pallidotomy before surgery and at last available follow‐up. Moreover, postoperative complications were analyzed. Results We found that 69 and 20 patients underwent unilateral and bilateral pallidotomy respectively. The mean age at dystonia onset was 40.4 ± 15.2 years. The mean clinical follow‐up period was 17.2 ± 11.6 months. Unilateral pallidotomy significantly improved the total BFMDRS score from 11.2 ± 14.7 preoperatively to 5.4 ± 7.6 at last available follow‐up (51.8% improvement, p < 0.001). Furthermore, there was a significant and independent improvement in all midline BFMDRS subitems, including eyes, mouth, speech/swallow, and neck, after unilateral pallidotomy. Bilateral pallidotomy significantly improved the total BFMDRS score from 14.6 ± 10.2 preoperatively to 3.8 ± 8.2 at last available follow‐up (74.0% improvement, p < 0.001). However, bilateral pallidotomy induced medically refractory parkinsonism (postural instability and gait disturbance) in five patients, dysarthria in three patients, and dysphagia in one patient. Interpretation Unilateral radiofrequency pallidotomy remains a viable treatment option for patients with some forms of dystonia. Bilateral pallidotomy cannot be recommended due to unacceptably high complication rates.
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Affiliation(s)
- Shiro Horisawa
- Department of Neurosurgery, Neurological Institute, Tokyo Women's Medical University, Tokyo, Japan
| | - Atsushi Fukui
- Department of Neurosurgery, Neurological Institute, Tokyo Women's Medical University, Tokyo, Japan
| | - Nobuhiko Takeda
- Department of Neurosurgery, Neurological Institute, Tokyo Women's Medical University, Tokyo, Japan
| | - Takakazu Kawamata
- Department of Neurosurgery, Neurological Institute, Tokyo Women's Medical University, Tokyo, Japan
| | - Takaomi Taira
- Department of Neurosurgery, Neurological Institute, Tokyo Women's Medical University, Tokyo, Japan
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44
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Bezchlibnyk YB, Sharma VD, Naik KB, Isbaine F, Gale JT, Cheng J, Triche SD, Miocinovic S, Buetefisch CM, Willie JT, Boulis NM, Factor SA, Wichmann T, DeLong MR, Gross RE. Clinical outcomes of globus pallidus deep brain stimulation for Parkinson disease: a comparison of intraoperative MRI- and MER-guided lead placement. J Neurosurg 2021; 134:1072-1082. [PMID: 32114534 DOI: 10.3171/2019.12.jns192010] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 12/30/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Deep brain stimulation (DBS) lead placement is increasingly performed with the patient under general anesthesia by surgeons using intraoperative MRI (iMRI) guidance without microelectrode recording (MER) or macrostimulation. The authors assessed the accuracy of lead placement, safety, and motor outcomes in patients with Parkinson disease (PD) undergoing DBS lead placement into the globus pallidus internus (GPi) using iMRI or MER guidance. METHODS The authors identified all patients with PD who underwent either MER- or iMRI-guided GPi-DBS lead placement at Emory University between July 2007 and August 2016. Lead placement accuracy and adverse events were determined for all patients. Clinical outcomes were assessed using the Unified Parkinson's Disease Rating Scale (UPDRS) part III motor scores for patients completing 12 months of follow-up. The authors also assessed the levodopa-equivalent daily dose (LEDD) and stimulation parameters. RESULTS Seventy-seven patients were identified (MER, n = 28; iMRI, n = 49), in whom 131 leads were placed. The stereotactic accuracy of the surgical procedure with respect to the planned lead location was 1.94 ± 0.21 mm (mean ± SEM) (95% CI 1.54-2.34) with frame-based MER and 0.84 ± 0.007 mm (95% CI 0.69-0.98) with iMRI. The rate of serious complications was similar, at 6.9% for MER-guided DBS lead placement and 9.4% for iMRI-guided DBS lead placement (RR 0.71 [95% CI 0.13%-3.9%]; p = 0.695). Fifty-seven patients were included in clinical outcome analyses (MER, n = 16; iMRI, n = 41). Both groups had similar characteristics at baseline, although patients undergoing MER-guided DBS had a lower response on their baseline levodopa challenge (44.8% ± 5.4% [95% CI 33.2%-56.4%] vs 61.6% ± 2.1% [95% CI 57.4%-65.8%]; t = 3.558, p = 0.001). Greater improvement was seen following iMRI-guided lead placement (43.2% ± 3.5% [95% CI 36.2%-50.3%]) versus MER-guided lead placement (25.5% ± 6.7% [95% CI 11.1%-39.8%]; F = 5.835, p = 0.019). When UPDRS III motor scores were assessed only in the contralateral hemibody (per-lead analyses), the improvements remained significantly different (37.1% ± 7.2% [95% CI 22.2%-51.9%] and 50.0% ± 3.5% [95% CI 43.1%-56.9%] for MER- and iMRI-guided DBS lead placement, respectively). Both groups exhibited similar reductions in LEDDs (21.2% and 20.9%, respectively; F = 0.221, p = 0.640). The locations of all active contacts and the 2D radial distance from these to consensus coordinates for GPi-DBS lead placement (x, ±20; y, +2; and z, -4) did not differ statistically by type of surgery. CONCLUSIONS iMRI-guided GPi-DBS lead placement in PD patients was associated with significant improvement in clinical outcomes, comparable to those observed following MER-guided DBS lead placement. Furthermore, iMRI-guided DBS implantation produced a similar safety profile to that of the MER-guided procedure. As such, iMRI guidance is an alternative to MER guidance for patients undergoing GPi-DBS implantation for PD.
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Affiliation(s)
- Yarema B Bezchlibnyk
- 1Department of Neurosurgery and Brain Repair, Morsani School of Medicine, University of South Florida, Tampa, Florida
- 2Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia
| | - Vibhash D Sharma
- 3Department of Neurology, University of Kansas Medical Center, Kansas City, Kansas
- 4Department of Neurology, Emory University School of Medicine
| | - Kushal B Naik
- 5Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, and
| | - Faical Isbaine
- 2Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia
| | - John T Gale
- 2Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia
| | - Jennifer Cheng
- 2Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia
- 6Department of Neurosurgery, University of Kansas Medical Center, Kansas City, Kansas
| | | | | | | | - Jon T Willie
- 2Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia
- 4Department of Neurology, Emory University School of Medicine
| | - Nicholas M Boulis
- 2Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia
| | | | - Thomas Wichmann
- 4Department of Neurology, Emory University School of Medicine
| | - Mahlon R DeLong
- 4Department of Neurology, Emory University School of Medicine
| | - Robert E Gross
- 2Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia
- 4Department of Neurology, Emory University School of Medicine
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Klebe S, Coenen V. [Deep brain stimulation in neurological and psychiatric diseases]. DER NERVENARZT 2021; 92:1042-1051. [PMID: 33630100 PMCID: PMC8484136 DOI: 10.1007/s00115-021-01079-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 01/15/2021] [Indexed: 11/18/2022]
Abstract
Die invasive Hirnstimulation (tiefe Hirnstimulation [THS], „deep brain stimulation“ [DBS]) ist mittlerweile ein etabliertes Therapieverfahren bei einer Reihe neurologischer Erkrankungen insbesondere Bewegungsstörungen. Die Anzahl der mit einer THS versorgten Patienten steigt stetig, die technische Entwicklung der THS-Systeme schreitet voran und neue Indikationen werden aktuell in Studien überprüft. Im folgenden Beitrag soll ein Überblick über die aktuellen Indikationen und ein Ausblick auf zukünftige Entwicklungen der THS bei Bewegungsstörungen und psychiatrischen Erkrankungen gegeben werden.
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Affiliation(s)
- Stephan Klebe
- Klinik für Neurologie, Universitätsmedizin Essen, Hufelandstr. 55, 45147, Essen, Deutschland.
| | - Volker Coenen
- Abteilung Stereotaktische und Funktionelle Neurochirurgie, Klinik für Neurochirurgie, Neurozentrum, Universitätsklinikum Freiburg, Breisacher Str. 64, 79106, Freiburg, Deutschland
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46
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Gallay MN, Moser D, Magara AE, Haufler F, Jeanmonod D. Bilateral MR-Guided Focused Ultrasound Pallidothalamic Tractotomy for Parkinson's Disease With 1-Year Follow-Up. Front Neurol 2021; 12:601153. [PMID: 33633664 PMCID: PMC7900542 DOI: 10.3389/fneur.2021.601153] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 01/05/2021] [Indexed: 11/19/2022] Open
Abstract
Objective: Bilateral stereotactic neurosurgery for advanced Parkinson's disease (PD) has a long history beginning in the late 1940s. In view of improved lesioning accuracy and reduced bleeding risk and in spite of long-standing caveats about bilateral approaches, there is a need to investigate bilateral MR-guided focused ultrasound (MRgFUS) interventions. We hereby present the clinical results of bilateral pallidothalamic tractotomy (PTT), i.e., targeting of pallidal efferent fibers below the thalamus at the level of Forel's field H1, followed for 1 year after operation of the second side. Methods: Ten patients suffering from chronic and therapy-resistant PD having received bilateral PTT were followed for 1 year after operation of the second side. The primary endpoints included the Unified Parkinson's Disease Rating Scale (UPDRS) scores in on- and off-medication states, dyskinesias, dystonia, sleep disturbances, pain, reduction in drug intake, and assessment by the patient of her/his global symptom relief as well as tremor control. Results: The time frame between baseline UPDRS score and 1 year after the second side was 36 ± 15 months. The total UPDRS score off-medication at 1 year after the second PTT was reduced by 52% compared to that at baseline on-medication (p < 0.007). Percentage reductions of the mean scores comparing 1 year off- with baseline on-medication examinations were 91% for tremor (p = 0.006), 67% for distal rigidity (p = 0.006), and 54% for distal hypobradykinesia (p = 0.01). Gait and postural instability were globally unchanged to baseline (13% improvement of the mean, p = 0.67, and 5.3% mean reduction, p = 0.83). Speech difficulties, namely, hypophonia, tachyphemia, and initiation of speech, were increased by 58% (p = 0.06). Dyskinesias were suppressed in four over four, dystonia in four over five, and sleep disorders in three over four patients. There was 89% pain reduction. Mean L-Dopa intake was reduced from 690 ± 250 to 110 ± 190. Conclusions: Our results suggest an efficiency of bilateral PTT in controlling tremor, distal rigidity, distal hypobradykinesia, dyskinesias, dystonia, and pain when compared to best medical treatment at baseline. Larger series are of course needed.
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Affiliation(s)
- Marc N Gallay
- SoniModul, Center for Ultrasound Functional Neurosurgery, Solothurn, Switzerland
| | - David Moser
- SoniModul, Center for Ultrasound Functional Neurosurgery, Solothurn, Switzerland
| | - Anouk E Magara
- SoniModul, Center for Ultrasound Functional Neurosurgery, Solothurn, Switzerland.,Praxisgemeinschaft für Neurologie, Bern, Switzerland
| | - Fabio Haufler
- ETH Zürich, Department of Management, Technology, and Economics, Zurich, Switzerland
| | - Daniel Jeanmonod
- SoniModul, Center for Ultrasound Functional Neurosurgery, Solothurn, Switzerland
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47
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Radiofrequency ablation of the centromedian thalamic nucleus in the treatment of drug-resistant epilepsy. Epilepsy Behav 2021; 114:107560. [PMID: 33243680 DOI: 10.1016/j.yebeh.2020.107560] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 09/28/2020] [Accepted: 09/28/2020] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To determine the usefulness and efficacy of radiofrequency ablations (RFA) of the Centromedian thalamic nucleus (CMN) to control primarily generalized or multifocal seizures in refractory epilepsy. METHODS Six patients with clinical diagnosis of multifocal or primarily generalized drug-resistant epilepsy were included. Bilateral RFA of the CMN was performed through a monopolar 1.8 mm. tip electrode with a temperature of 80 °C during 90 seconds. Patients were followed in every 3 months visit for 20 to 36 months and kept a monthly seizure count calendar. We also compared maximal paroxysmal electroencephalogram (EEG) activity and neuropsychological evaluation pre and 6 months postoperatively. RESULTS A significant reduction in the number of generalized seizures was observed in all subjects in the range of 79-98%, starting the first post-operative month. Although focal aware seizures remained unchanged throughout follow-up, there was an important reduction on paroxysmal activity between the pre and postoperative EEG. No major changes on cognitive status were detected. There was post-operative dysphagia and odynophagia lasting one week and there was no mortality in this group of patients. CONCLUSION Preliminary results of CMN RFA suggest safety and a trend toward reduction of some seizure types, it may reduce the seizure frequency like other palliative procedures since the first post-operative month, but a larger, controlled study would be needed to establish the value of this therapy.
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Rizzi M, Gambini O, Marras CE. Posterior hypothalamus as a target in the treatment of aggression: From lesioning to deep brain stimulation. HANDBOOK OF CLINICAL NEUROLOGY 2021; 182:95-106. [PMID: 34266615 DOI: 10.1016/b978-0-12-819973-2.00007-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Intermittent explosive disorder can be described as a severe "affective aggression" condition, for which drugs and other supportive therapies are not fully effective. In the first half of the 19th century, experimental studies progressively increased knowledge of aggressive disorders. A neurobiologic approach revealed the posterior hypothalamic region as a key structure for the modulation of aggression. In the 1960s, patients with severe aggressive disorder, frequently associated with intellectual disability, were treated by bilateral stereotactic lesioning of the posterior hypothalamic area, with efficacy. This therapy was later abandoned because of issues related to the misuse of psychosurgery. In the last 2 decades, however, the same diencephalic target has been selected for the reversible treatment by deep brain stimulation, with success. This chapter presents a comprehensive approach to posterior hypothalamic surgery for the treatment of severely aggressive patients and discusses the experimental steps that allowed this surgical target to be selected. Surgical experiences are reported, together with considerations on target features and related encephalic circuits.
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Affiliation(s)
- Michele Rizzi
- "C.Munari" Epilepsy Surgery Center, Department of Neuroscience, ASST GOM Niguarda, Milan, Italy.
| | - Orsola Gambini
- Department of Health of Sciences, University of Milan, Milan, Italy; CRC "Aldo Ravelli" for Neurotechnology and Experimental Brain Therapeutics, University of Milan Medical School, Milan, Italy
| | - Carlo Efisio Marras
- Neurosurgery Unit, Department of Neuroscience, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
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Zhou P, Liu Z, Wu H, Wang Y, Lei Y, Abbaszadeh S. Automatically detecting bregma and lambda points in rodent skull anatomy images. PLoS One 2020; 15:e0244378. [PMID: 33373400 PMCID: PMC7771702 DOI: 10.1371/journal.pone.0244378] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 12/08/2020] [Indexed: 11/24/2022] Open
Abstract
Currently, injection sites of probes, cannula, and optic fibers in stereotactic neurosurgery are typically located manually. This step involves location estimations based on human experiences and thus introduces errors. In order to reduce localization error and improve repeatability of experiments and treatments, we investigate an automated method to locate injection sites. This paper proposes a localization framework, which integrates a region-based convolutional network and a fully convolutional network, to locate specific anatomical points on skulls of rodents. Experiment results show that the proposed localization framework is capable of identifying and locatin bregma and lambda in rodent skull anatomy images with mean errors less than 300 μm. This method is robust to different lighting conditions and mouse orientations, and has the potential to simplify the procedure of locating injection sites.
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Affiliation(s)
- Peng Zhou
- Department of Electrical and Computer Engineering, University of California, Santa Cruz, Santa Cruz, California, United States of America
| | - Zheng Liu
- Department of Nuclear, Plasma, and Radiological Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, United States of America
| | - Hemmings Wu
- Department of Neurosurgery, Stanford University, Palo Alto, California, United States of America
| | - Yuli Wang
- Department of Electrical and Computer Engineering, University of California, Santa Cruz, Santa Cruz, California, United States of America
| | - Yong Lei
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, China
| | - Shiva Abbaszadeh
- Department of Electrical and Computer Engineering, University of California, Santa Cruz, Santa Cruz, California, United States of America
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50
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Edinoff A, Sathivadivel N, McBride T, Parker A, Okeagu C, Kaye AD, Kaye AM, Kaye JS, Kaye RJ, M. Sheth M, Viswanath O, Urits I. Chronic Pain Treatment Strategies in Parkinson's Disease. Neurol Int 2020; 12:61-76. [PMID: 33218135 PMCID: PMC7768530 DOI: 10.3390/neurolint12030014] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 12/11/2022] Open
Abstract
Neurological disorders, including Parkinson's disease (PD), have increased in prevalence and are expected to further increase in the coming decades. In this regard, PD affects around 3% of the population by age 65 and up to 5% of people over the age of 85. PD is a widely described, physically and mentally disabling neurodegenerative disorder. One symptom often poorly recognized and under-treated by health care providers despite being reported as the most common non-motor symptom is the finding of chronic pain. Compared to the general population of similar age, PD patients suffer from a significantly higher level and prevalence of pain. The most common form of pain reported by Parkinson's patients is of musculoskeletal origin. One of the most used combination drugs for PD is Levodopa-Carbidopa, a dopamine precursor that is converted to dopamine by the action of a naturally occurring enzyme called DOPA decarboxylase. Pramipexole, a D2 dopamine agonist, and apomorphine, a dopamine agonist, and Rotigotine, a dopamine receptor agonist, have showed efficacy on PD-associated pain. Other treatments that have shown efficacy in treating pain of diverse etiologies are acetaminophen, Nonsteroidal anti-inflammatory drugs (NSAIDs), and cyclooxygenase-2 (COX-2) inhibitors. Opioids and opioid-like medications such as oxycodone, morphine, tramadol, and codeine are also commonly employed in treatment of chronic pain in PD. Other opioid related medications such as Tapentadol, a central-acting oral analgesic with combined opioid and noradrenergic properties, and Targinact, a combination of the opioid agonist oxycodone and the opioid antagonist naloxone have shown improvement in pain. Anticonvulsants such as gabapentin, pregabalin, lamotrigine, carbamazepine and tricyclic antidepressants (TCAs) can be trialed when attempting to manage chronic pain in PD. The selective serotonin and noradrenaline reuptake inhibitors (SNRIs) also possess pain relieving and antidepressant properties, but carry less of the risk of anticholinergic side effects seen in TCAs. Deep brain stimulation (DBS) of the subthalamic nucleus (STN) has been shown in multiple studies to be effective against various types of PD associated pain symptoms. Massage therapy (MT) is one of the most common forms of complementary and alternative medicine. Studies have shown that pressure applied during MT may stimulate vagal activity, promoting reduced anxiety and pain, as well as increasing levels of serotonin. In a survey study of PD patients, rehabilitative therapy and physical therapy were rated as the most effective for pain reduction, though with only temporary relief but these studies were uncontrolled. Yoga has been studied for patients with a wide array of neurological disorders. In summary, PD pathology is thought to have a modulating effect on pain sensation, which could amplify pain. This could help explain a portion of the higher incidence of chronic pain felt by PD patients. A treatment plan can be devised that may include dopaminergic agents, acetaminophen, NSAIDs, opioids, antidepressants, physical therapies, DBS and other options discussed in this review. A thorough assessment of patient history and physical examination should be made in patients with PD so chronic pain may be managed effectively.
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Affiliation(s)
- Amber Edinoff
- Department of Psychiatry and Behavioral Medicine, Health Science Center, Louisiana State University Shreveport, Shreveport, LA 71103, USA;
| | - Niro Sathivadivel
- Department of Psychiatry and Behavioral Medicine, Health Science Center, Louisiana State University Shreveport, Shreveport, LA 71103, USA;
| | - Timothy McBride
- School of Medicine, Louisiana State University Shreveport, Shreveport, LA 71103, USA; (T.M.); (A.P.)
| | - Allyson Parker
- School of Medicine, Louisiana State University Shreveport, Shreveport, LA 71103, USA; (T.M.); (A.P.)
| | - Chikezie Okeagu
- Department of Anesthesiology, Louisiana State University New Orleans, New Orleans, LA 70112, USA; (C.O.); (A.D.K.)
| | - Alan D. Kaye
- Department of Anesthesiology, Louisiana State University New Orleans, New Orleans, LA 70112, USA; (C.O.); (A.D.K.)
- Department of Anesthesiology, Louisiana State University Shreveport, Shreveport, LA 71103, USA; (M.M.S.); (O.V.); (I.U.)
| | - Adam M. Kaye
- Department of Pharmacy Practice, Thomas J. Long School of Pharmacy and Health Sciences, University of the Pacific, Stockton, CA 95211, USA; (A.M.K.); (J.S.K.)
| | - Jessica S. Kaye
- Department of Pharmacy Practice, Thomas J. Long School of Pharmacy and Health Sciences, University of the Pacific, Stockton, CA 95211, USA; (A.M.K.); (J.S.K.)
| | - Rachel J. Kaye
- School of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA;
| | - Meeta M. Sheth
- Department of Anesthesiology, Louisiana State University Shreveport, Shreveport, LA 71103, USA; (M.M.S.); (O.V.); (I.U.)
| | - Omar Viswanath
- Department of Anesthesiology, Louisiana State University Shreveport, Shreveport, LA 71103, USA; (M.M.S.); (O.V.); (I.U.)
- School of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA;
- College of Medicine-Phoenix, University of Arizona, Phoenix, AZ 85004, USA
- Department of Anesthesiology, School of Medicine, Creighton University, Omaha, NE 68124, USA
- Valley Anesthesiology and Pain Consultants–Envision Physician Services, Phoenix, AZ 85004, USA
| | - Ivan Urits
- Department of Anesthesiology, Louisiana State University Shreveport, Shreveport, LA 71103, USA; (M.M.S.); (O.V.); (I.U.)
- Southcoast Health, Southcoast Physicians Group Pain Medicine, Wareham, MA 02571, USA
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